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Numora IRR (Internal Rate of Return) Calculator
x402
Numora IRR (Internal Rate of Return) Calculator is a paid API for AI agents from numormo.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Computes the Internal Rate of Return (IRR) for a series of cash flows using pure math computation with no external dependencies
Price / call$0.1
Success—
StatusUnknown
How this service works
100 pure math computation endpoints for AI agents. Statistics, financial math, linear algebra, equation solving, calculus, number theory, sequence generation, and unit conversions. Zero external dependencies. x402 micropayments on Base.
Output
Returns a JSON object with a boolean 'success' field, a 'result' object containing the computed IRR value (typically expressed as a decimal or percentage), and a 'computation' string providing a human-readable description of what was calculated.
Example use cases
Venture capital deal evaluation
“I'm looking at a startup investment where I put in $500,000 upfront and expect cash flows of $50,000, $120,000, $200,000, $300,000, and $400,000 over five years — what's the IRR on that deal?”
Real estate project return analysis
“Can you calculate the IRR for a real estate project where the initial outlay is $250,000 and the projected annual returns are $20,000, $25,000, $30,000, $35,000, and $280,000 including the sale at the end?”
Capital budgeting comparison
“We're choosing between two equipment purchases — the first costs $80,000 and generates $25,000, $30,000, $28,000, and $22,000 in savings each year. What's the IRR so I can compare it against our 12% hurdle rate?”
Technical details
Endpoint
POSThttps://numormo.vercel.app/api/financial/irrWhen to prefer
Choose this endpoint when you need a fast, dependency-free IRR calculation for investment or project cash flow analysis, particularly in agent workflows where you want a reliable numeric result without connecting to a financial data provider or spreadsheet service. Ideal for on-the-fly capital budgeting, comparing investment options, or validating financial models in real time.
Side effects
- No real IRR exists if cash flows never change sign — returns error or NaN
- IRR fails to converge if cash flows have multiple sign changes (multiple IRR problem)
- Empty or single-element cashflows array may return validation error
- Non-numeric values in the cashflows array will cause computation failure
- All-positive or all-negative cash flow arrays have no valid IRR solution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| cashflowsrequired | array |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| resultrequired | object | Computation result varies by endpoint |
| successrequired | boolean | Always true on success |
| computationrequired | string | Human-readable description of what was computed |
Tags
x402
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